CN208400900U - A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid - Google Patents
A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid Download PDFInfo
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- CN208400900U CN208400900U CN201820908717.XU CN201820908717U CN208400900U CN 208400900 U CN208400900 U CN 208400900U CN 201820908717 U CN201820908717 U CN 201820908717U CN 208400900 U CN208400900 U CN 208400900U
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- thermal insulation
- lithium
- insulation board
- containing liquid
- safety device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of lithium battery safety device using the thermal insulation board containing liquid, it includes porous heat-insulating plate, contain liquid-state extinguishing agent in porous heat-insulating plate, leakproof outer packing is provided with outside porous heat-insulating plate, leakproof outer packing realizes that closing, porous heat-insulating plate and leakproof outer packing are fixedly installed in the side of lithium ion battery by sealing part.The utility model additionally provides a kind of lithium-ion battery module of lithium battery safety device with use thermal insulation board containing liquid.The utility model can effectively prevent the hot transport phenomenon between single lithium battery compared to the prior art, reduce the energy that lithium battery fires generation, avoid the case of fire of lithium ion battery, to effectively reduce lithium ion battery kindling or generated chain reaction of exploding, the security performance of lithium ion battery is largely improved.
Description
Technical field
The utility model relates to field of lithium ion battery, in particular to a kind of lithium battery using the thermal insulation board containing liquid
Safety device and battery component.
Background technique
With the gradually development of new-energy automobile, lithium ion battery, which has begun, to be replaced gasoline step by step and becomes automobile
Power support.But the security performance of current lithium ion battery, which still develops it, certain restriction, wherein lithium from
Fired caused by sub- battery internal short-circuit situation its cause due to diversity, at first fire battery with randomness with it is single
Property fires inducement and cannot be completely eliminated and can not detect before shipment and has become that power battery field is most urgently to be solved to ask
Topic.
Thus, the research for firing situation for lithium battery internal short-circuit at present, which also becomes in lithium ion battery research and development technology, to be compared
A more important ring.The characteristics of occurring in view of lithium battery internal short-circuit, the thermal runaway situation that single battery internal short-circuit causes can not be by
It completely eliminates, still, can realize the hair for avoiding the whole packet serious accident of battery by preventing the hot transport phenomenon between single battery
It is raw.At present, it is common practice to which thermal isolation film is set between lithium battery, and still, thermal isolation film can only be heat-insulated but cannot reduce heat
Amount, after long-time is in the condition of high temperature, thermal isolation film will be ineffective, nothing that the battery chain of rings catches fire, the serious accident of explosion remains unchanged
Method is avoided by.
Therefore, it is necessary to which providing a kind of lithium battery safety device and battery component can effectively prevent between single battery
Hot transport phenomenon.
Utility model content
In consideration of it, the utility model provide it is a kind of can be effectively prevented the hot transport phenomenon between single battery use contain
The lithium battery safety device and battery component of liquid thermal insulation board.
On the one hand, the utility model provides a kind of lithium battery safety device using the thermal insulation board containing liquid comprising
Porous heat-insulating plate contains liquid-state extinguishing agent in porous heat-insulating plate, leakproof outer packing, leakproof outer packing is provided with outside porous heat-insulating plate
Realize that closing, porous heat-insulating plate and leakproof outer packing are fixedly installed in the side of lithium ion battery by sealing part.
Further, above-mentioned liquid-state extinguishing agent is water or water-based extinguishing agent.
Further, above-mentioned porous heat-insulating plate is aerogel plate or porous ceramic fiber plate.
Further, above-mentioned sealing part is cover board or sealing clip.
Further, material of the above-mentioned leakproof outer packing by fusing point less than 700 DEG C is made.
Further, above-mentioned leakproof outer packing is made of metal.
Further, above-mentioned leakproof outer packing is made of aluminium, tin or lead.
Further, above-mentioned leakproof outer packing is made of plastics.
Further, above-mentioned leakproof outer packing is made of polystyrene, polyethylene or polypropylene.
On the other hand, the utility model provides a kind of lithium-ion battery module comprising at least two lithium ion batteries,
A kind of above-mentioned lithium battery safety device using the thermal insulation board containing liquid is provided at at least one side of lithium ion battery.
A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid provided by the utility model, leads to
It crosses the side in lithium ion battery and adds the porous heat-insulating plate being placed in leakproof outer packing, and contain liquid in porous heat-insulating plate
State extinguishing chemical；When lithium ion battery fires, high temperature cause leakproof outer packing damage or directly melt, it is porous at this time every
Liquid-state extinguishing agent outflow in hot plate is contacted with red-hot battery, rapid vaporization；First, the vaporization of liquid-state extinguishing agent can absorb
A large amount of energy reduces lithium battery and fires the high temperature of generation, to reduce brisance, avoids lithium to a certain extent
The chain explosion situation of ion battery；Second, enter that explosion generates after liquid-state extinguishing agent vaporization containing organic solvent vapor
In flammable dense smoke, the humidity of the flammable dense smoke containing organic solvent vapor is considerably increased, lithium battery is improved and fires containing for generation
The flash-point of the flammable dense smoke of organic solvent vapor, avoid explosion time generation Mars, spark by containing organic solvent vapor can
The case where combustion dense smoke is lighted, so that lithium battery explosion be made the phenomenon that " only smoldering, do not burn with anger " occur；It goes out third, being filled with liquid
The porous heat-insulating plate of fiery agent can also effectively prevent hot transmitting, further avoid lithium ion battery kindling or explosion is produced
Raw chain reaction；Thus, in the side of lithium ion battery, addition is provided with the thermal insulation board containing liquid of leakproof outer packing, can be effective
Ground prevents the hot transport phenomenon between single battery, reduces lithium battery and fires the energy of generation, avoid lithium ion battery fire behavior
Condition, thus effectively reduce lithium ion battery kindling or explode caused by chain reaction, largely improve lithium from
The security performance of sub- battery.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of knot of lithium battery safety device using the thermal insulation board containing liquid provided by the embodiment of the utility model
Structure cross-sectional view (front viewing angle)；
Fig. 2 is a kind of structural schematic diagram of lithium-ion battery module provided by the embodiment of the utility model (lithium battery safety
Structure sectional view under protective device side view angle).
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 2, a kind of lithium using the thermal insulation board containing liquid of the offer of the utility model embodiment one is shown in figure
Cell safety protective device comprising porous heat-insulating plate 1, the porous heat-insulating plate 1 are specifically as follows aerogel plate, aerogel plate tool
There is porous structure and have the effect of can be heat-insulated, thus is more preferred embodiment, aerogel plate in the present invention
Belong to the material that the prior art would know that, in this not go into detail, contains liquid-state extinguishing agent in porous heat-insulating plate 1, the liquid
Extinguishing chemical is specifically as follows water, specifically, can inject water into porous heat-insulating plate by the porous structure of porous heat-insulating plate,
It is provided with leakproof outer packing 2 outside porous heat-insulating plate 1, which can preferably be made of plastics, specifically can be by gathering
Styrene, polyethylene or polypropylene are made, and polystyrene, can be under high temperature environment when firing as most preferred plastics
It is destroyed or is melted rapidly, leakproof outer packing 2 realizes closing, porous heat-insulating plate 1 and leakproof outer packing by sealing part 3
2 are fixedly installed in the side of lithium ion battery 4.
Referring to fig. 2, a kind of lithium-ion battery module of the offer of the utility model embodiment one is provided in figure, is had more
A lithium ion battery 4 is arranged the above-mentioned lithium battery security protection using the thermal insulation board containing liquid in the lateral position of lithium ion battery 4 and fills
It sets, specifically when installation, gap can be set between two adjacent lithium ion batteries 4, be arranged in gap for preventing the lithium
The safety device that ion battery fires.
A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid, passes through provided by the present embodiment
The porous heat-insulating plate being placed in leakproof outer packing is added in the side of lithium ion battery, and contains water in porous heat-insulating plate；
When lithium ion battery fires, high temperature causes leakproof outer packing to damage or directly melt, at this time in porous heat-insulating plate
Liquid-state extinguishing agent outflow is contacted with red-hot battery, rapid vaporization；First, liquid-state extinguishing agent vaporization can absorb a large amount of energy
Amount, reduces lithium battery and fires the high temperature of generation, to reduce brisance, avoid lithium ion battery to a certain extent
Chain explosion situation；Second, entering the flammable dense smoke containing organic solvent vapor that explosion generates after liquid-state extinguishing agent vaporization
In, considerably increase the humidity of the flammable dense smoke containing organic solvent vapor, improve lithium battery fire generation containing organic solvent
The flash-point of the flammable dense smoke of steam, the Mars for avoiding explosion time generation, spark are by the flammable dense smoke point containing organic solvent vapor
The case where combustion, so that lithium battery explosion be made the phenomenon that " only smoldering, do not burn with anger " occur；Third, being filled with the more of liquid-state extinguishing agent
Hole thermal insulation board can also effectively prevent hot transmitting, further avoid chain caused by lithium ion battery kindling or explosion
Reaction；Thus, in the side of lithium ion battery, addition is provided with the thermal insulation board containing liquid of leakproof outer packing, can effectively prevent list
Hot transport phenomenon between a battery reduces the energy that lithium battery fires generation, the case of fire of lithium ion battery is avoided, to have
Effect ground reduces lithium ion battery kindling or generated chain reaction of exploding, and largely improves the peace of lithium ion battery
Full performance.
Embodiment two:
Other are identical as described in embodiment one, the difference is that, liquid-state extinguishing agent 11 is water-based extinguishing agent, water system fire extinguishing
Agent adding ingredient can be alkyl acid salt, phosphate, ammonium salt, amphoteric surfactant and fluorocarbon surfactant, specifically may be used
Think S-3-AB, S-6-AB water-based extinguishing agent.
Embodiment three:
Other are identical as described in embodiment one, the difference is that, porous heat-insulating plate 1 is specifically as follows porous ceramic fiber
Plate, it may have porous structure and have the effect of it is certain can be heat-insulated.
Example IV:
Other are identical as described in embodiment one, the difference is that, leakproof outer packing is made of metal, is specifically as follows
Aluminium, tin or lead are made, and aluminium is as most preferred metal.
Embodiment five:
Other are any described identical as embodiment one to four, the difference is that, in lithium-ion battery module, only have one
Lithium ion battery, and the above-mentioned lithium battery safety device using the thermal insulation board containing liquid is set in the lateral position of lithium ion battery 4.
Embodiment six:
With continued reference to Fig. 1 to Fig. 2, a kind of of the offer of the utility model embodiment six is provided in figure and uses thermal insulation board containing liquid
Lithium battery safety device and battery component, the present embodiment be also further made that on the basis of the above embodiments with
Under as an improved technical scheme: have for the ease of the pick-and-place of porous heat-insulating plate, in leakproof outer packing 2 one for porous heat-insulating plate
1 sealing part 3 (also can according to need and more are arranged) for being put into or taking out, which is then specifically as follows cover board
Or sealing clip is prevented before not exploding with improving the sealing performance of leakproof outer packing, the water leakage in porous heat-insulating plate 1
The normal use of battery is influenced into battery component.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of lithium battery safety device using the thermal insulation board containing liquid, which is characterized in that including porous heat-insulating plate (1), institute
It states containing liquid-state extinguishing agent (11) in porous heat-insulating plate (1), the porous heat-insulating plate (1) is provided with leakproof outer packing (2), institute outside
It states leakproof outer packing (2) and realizes that closing, the porous heat-insulating plate (1) and the leakproof outer packing (2) are solid by sealing part (3)
Dingan County is loaded on the side of lithium ion battery (4).
2. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 1, which is characterized in that institute
Stating liquid-state extinguishing agent (11) is water or water-based extinguishing agent.
3. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 1, which is characterized in that institute
Stating porous heat-insulating plate (1) is aerogel plate or porous ceramic fiber plate.
4. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 1, which is characterized in that institute
Stating sealing part (3) is cover board or sealing clip.
5. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 1, which is characterized in that institute
Material of the leakproof outer packing (2) by fusing point less than 700 DEG C is stated to be made.
6. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 5, which is characterized in that institute
Leakproof outer packing (2) is stated to be made of metal.
7. according to claim 1, a kind of lithium battery safety device using the thermal insulation board containing liquid, feature described in 5 or 6 exist
In the leakproof outer packing (2) is made of aluminium, tin or lead.
8. a kind of lithium battery safety device using the thermal insulation board containing liquid according to claim 5, which is characterized in that institute
Leakproof outer packing (2) is stated to be made of plastics.
9. according to claim 1, a kind of lithium battery safety device using the thermal insulation board containing liquid, feature described in 5 or 8 exist
In the leakproof outer packing (2) is made of polystyrene, polyethylene or polypropylene.
10. a kind of lithium-ion battery module, which is characterized in that including an at least lithium ion battery (4), in the lithium ion battery
(4) a kind of lithium battery safety using the thermal insulation board containing liquid any just like claim 1-9 is set at least one side
Protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908717.XU CN208400900U (en) | 2018-06-12 | 2018-06-12 | A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908717.XU CN208400900U (en) | 2018-06-12 | 2018-06-12 | A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid |
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| Publication Number | Publication Date |
|---|---|
| CN208400900U true CN208400900U (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908717.XU Active CN208400900U (en) | 2018-06-12 | 2018-06-12 | A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid |
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| CN (1) | CN208400900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963126A (en) * | 2018-06-12 | 2018-12-07 | 苏州宇量电池有限公司 | A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid |
| CN111584791A (en) * | 2020-06-22 | 2020-08-25 | 昆山宝创新能源科技有限公司 | Battery module |
-
2018
- 2018-06-12 CN CN201820908717.XU patent/CN208400900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963126A (en) * | 2018-06-12 | 2018-12-07 | 苏州宇量电池有限公司 | A kind of lithium battery safety device and battery component using the thermal insulation board containing liquid |
| CN111584791A (en) * | 2020-06-22 | 2020-08-25 | 昆山宝创新能源科技有限公司 | Battery module |
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